– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Fri 26 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 26 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 26 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 16mm), heaviest on Fri night. Very mild (max 13°C on Sat afternoon, min 8°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 6mm), mostly falling on Tue night. Very mild (max 17°C on Thu afternoon, min 9°C on Wed morning). Wind will be generally light. | ||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | | |  |  | | | | | | | |  | |
heavy rain | light rain | light rain | rain shwrs | cloudy | light rain | rain shwrs | light rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 12 | 2 | 1 | 0.2 | — | 0.3 | 0.6 | 0.1 | 0.3 | 0.1 | 0.6 | 1.4 | 2 | 0.4 | 0.5 | 0.2 | 0.1 | 0.1 | — |
max °C | 12 | 10 | 13 | 13 | 11 | 12 | 12 | 11 | 13 | 13 | 12 | 14 | 13 | 10 | 11 | 11 | 12 | 17 | 15 |
min °C | 8 | 8 | 11 | 10 | 11 | 12 | 10 | 11 | 12 | 12 | 12 | 13 | 10 | 9 | 10 | 9 | 11 | 14 | 10 |
chill °C | 8 | 8 | 11 | 10 | 11 | 12 | 10 | 11 | 12 | 12 | 12 | 13 | 10 | 9 | 10 | 9 | 11 | 14 | 10 |
Freezing level m | 2200 | 2050 | 2550 | 2750 | 2650 | 2800 | 3300 | 3400 | 3450 | 3250 | 3050 | 2700 | 2300 | 2100 | 2250 | 2500 | 2450 | 2800 | 2850 |
Cloud base (m) | 550 | 550 | 850 | 1900 | 750 | 700 | 700 | 650 | 600 | 2000 | 750 | 800 | 600 | 650 | 600 | 1750 | 900 | 1650 | |
 | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — |
 | — | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:13 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 16mm), heaviest on Fri night. Very mild (max 13°C on Sat afternoon, min 8°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 6mm), mostly falling on Tue night. Very mild (max 17°C on Thu afternoon, min 9°C on Wed morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.